2mL Autosampler Vials with Writing Area and Graduations, 9-425 HPLC, Screw Cap, Blue PTFE & White Silicone Pre-Slit Septa, 100 Pcs. Blue Screw Pp Hplc Vial Caps With Pre-slit Tef Ptfe Silicone Septa 2mL Clear Glass 12x32mm Flat Base 9-425 Screw Thread Vial with with White Write-on Patch and Graduation Lines. 100pcs/pk. 2ML-9-V1003, 2mL